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A308196
Partial sums of A063808.
2
1, 5, 13, 19, 25, 31, 37, 43, 49, 55, 61, 67, 73, 79, 85, 91, 97, 103, 109, 115, 121, 127, 133, 139, 145, 151, 157, 163, 169, 175, 181, 187, 193, 199, 205, 211, 217, 223, 229, 235, 241, 247, 253, 259, 265, 271, 277, 283, 289, 295, 301, 307, 313, 319, 325, 331, 337, 343, 349, 355
OFFSET
0,2
COMMENTS
Growth series for Z as generated by {2, 3}.
REFERENCES
Avinoam Mann, How Groups Grow, London Mathematical Society Lecture Note Series, Vol. 335, Cambridge University Press, 2012; ISBN: 1107657504,9781107657502. See Example 6, page 3.
FORMULA
a(n) = A271114(n) = A016921(n) = 6n+1 for n>=2. - R. J. Mathar, Jul 22 2021
MATHEMATICA
Accumulate[PadRight[{1, 4, 8}, 100, 6]] (* Paolo Xausa, Nov 14 2023 *)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, Jun 21 2019
STATUS
approved